1 wayne dc9435 13.2kv multi-grounded y emergency installation of 2mw diesel internal to the...
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Wayne DC9435 13.2kV multi-grounded Y
Emergency installation of 2MW Diesel internal to the distribution circuit
operated in parallel to grid uses wireless communication of circuit loading from substation enabling generator to manage circuit loading to a specific level.
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Richville 2.5 MVA, 41.57/4.8 kV Substation2MW Diesel Islanded to perform maintenance
17.5 miles of radial 41.57kV exposure feeds Richville and Quail Substations Richville Substation(rural substation in Michigan’s Thumb region)36 miles of 4.8kV deltaFeeds 384 customers A peak load of 1.5 MVA
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Milford - 1 MW Nat Gas
Huron Valley Middle School
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SEOCWA –Webster DC 371 Leased Water Board 500KW DG
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New 1.5MW 4.8kV direct connect blended fuel DG
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Keys to Siting
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Load Analysis for 2002 Summer
High
Date Time Hours Day Temp (oF)
7/1/2002 3pm - 9pm 6 Monday 95
7/2/2002 1pm - 10pm 9 Tuesday 96
7/3/2002 1pm - 9pm 8 Wednesday 97
7/4/2002 1pm - 7pm 6 Thursday 95
7/29/2002 3pm - 4pm 1 Monday 91
7/31/2002 3pm - 9pm 6 Wednesday 93
8/1/2002 1pm - 10pm 9 Thursday 92
Total Hours 45 Avg Temp 94.1
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Probable Run Time and Durations 97F4 days29 hrs
Summer 200226 day 90F+
0
100
200
300
400
500
600
6/1
Jun 1 - Sept 1
Gen
erat
or
Ou
tpu
t in
K
W Series1
93F3 days16 hrs
97F4 days29 hrs
1 PM-9 PM 3 PM-9 PM
Hrs 1-10 PM
Hrs 1-10 PM
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Noise – db verse distance
dB vs. Distance from Generator
30
40
50
60
70
80
90
0 100 200 300 400 500 600
Distance (ft)
dB
2 MW Diesel Generator
1 MW Natural GasGenerator
53
Our practice is to talk to neighbors within 300 ft
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The Lease“The great enemy of clear language is insincerity. When there
is a gap between one’s real and one’s declared aim, one
turns, as it were instinctively, to long words and exhausted
idioms, like a cuttlefish (octopus) squirting out ink”
George Orwell, “Politics and the English Language”
Keep it Simple
Copies of our beginning 3 page lease available on request
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Automatic Load Following
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Automatic Load FollowingAdair Load Data
0
500
1000
1500
2000
2500
3000
Time
kW
Generator Loadd
Trf Load
Total Load
Distribution Circuit Load
Transformer Load
Generator Load
Normal Rating
Emergency Rating
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Methods of Operation
Radio,Phone
Cell, Fiber
etc
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Estimating Loads
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Meter-in-a-Box
Load Current, Communication and AC Power cables
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Load Monitoring
Recording Ammeter CT
X and Z Phase current brought to meter
Switchgear Position
Sum the returns to get Y Phase
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Communications (Union Lake)
RTUGen Meter
Radio
PLC
DC Meter
Hard wire
Fiber
SOC/ROC via RDN
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DG Installations Load AnalysisDay-to-DayPeak 2002 2003 2004 2005 Project DG
Rating Hrs Hrs Hrs Hrs Cost AnnualLocation (Amps) Amps Above Above Above Above $ K Cost $ KAdair DC 322 408 650 182 81 - - 800 71Grosse Ile DC 500 637 45 3 40 234 3,800 64Shores DC 1770 493 553 22 2 41 122 4,000 64Union Lk DC 1688 524 750 265 55 188 410 1,700 61Wayne DC 9435 577 636 27 9 24 - 180 * 17Milford DC8103 590 726 - - 32 58 3,800 15Webster DC371 360 505 - - NA 75 1,200 15
Indicates that loadingreached emergency rating
200226 days of 90+
2003 2 days of 90+
2004 3 days of 90+
2005 20 days of 90+
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Premium Power
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Premium Power Customers Adell Broadcasting Alps Automotive Arctic Cold Storage ASC Global Beaumont Hospital Botsford Hospital Flat Rock Community Center Karmann Manufacturing Lawrence Tech Meadowbrook Insurance Metropolitan Baking SY Systems Trinity Health Care-Warde Labs Washtenaw Co (multiple locations) Wayne State UniversityGrand Total
600 kW
500 kW
750 kW
2,000 kW
300 kW
150 kW
500 kW
1,000 kW
300 kW
800 kW
600 kW
500 kW
600 kW
850 kW
300 kW
9,750 kW
Key Markets
Communications
Education
Food Service
Healthcare
Manufacturing
Municipal
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ASC IncorporatedDescription: 2000 kW diesel standby generator
with 3000 amp Closed-transition transfer switch
Location: Gibraltar, Michigan
Service: Keeping a Tier-1 auto parts manufacturing facility operating during utility power interruptions
Drivers: Avoided over $400k in line extension capital expenditureLower energy cost by moving to interruptible tariff
Support “just-in-time” delivery system
Status: Inservice September 2004
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Customer DG &
Interruptibles
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Customer DG & Interruptibles
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Questions & Discussion
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DTE’s Other DER Work
Annual Utility DG Conference (Apr 26-28, 2006) Hydrogen Power Park Next Energy Mobile Microgrid SCE’s E2I RFP Development GridApps – DoE, CTC, & Utilities DoE DER Penetration limits study Army Collaborative Tools – Disaster Recovery Voltage Regulation Study for CEC
EPRI Utility DER Integration Best Practices DoE DER Integration & Intentional Islanding
DoE Aggregation Communication & Control
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DoE DER Aggregation Communication and Control
EDD
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Hierarchical Control
Units available from a customer perspective
Level 2: Utility Concerns & Constraints
Level 1: Local Control
Level 3: Economic Dispatch of
Aggregated Units
Units available for economic dispatch
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DEW Modeling ConstraintsHours DG not available
Total run hours not to exceed e.g. diesel air permit limits
Set points
Real-time measurements
Primarily circuit head measurements with some SCADA internal to circuit
Load
Scale
Historical measurementsCustomer meter info and sales
Control
Power Flow
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Phase II DERs (Phase I + Phase II)
Type No. Units kW
Nat. Gas 16 4,575
Biogas 1 6,600
Diesel 6 8,350
Hydrogen/Nat. Gas Various 1,036
Load Reduction Substation 600
Micro turbine 3 460
Fuel Cell 2 10
Solar 2 26
Battery 1 200
TOTAL 21,457
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Summary of DER Benefits Customer
– Manage demand– Standby– Lower rates
Utility - Wires Company
– Customer retention– Manage loading
On peak Shutdowns Emergency
Utility - Generation Company
– Energy– Capacity
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Conclusion
Win – Win (important that utility derive benefits also) Aggregation and Sale can be done through the utility Do not discourage participation with onerous rules and
penalties DER are also important for sticks and wires (not just
generation capacity and energy) Unity power factor at the point of Common Coupling
(DGs to put out vars for voltage and var support also) Utilities need to experiment with DER
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Questions & Discussion
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Distributed Generation in sellback mode
Distributed Generation parallel non-sellback mode
Standby Generator non-parallel non-sellback mode
Interruptible Load
PCC
Sell Back
PCC
II - NonSell Back
PCC
Standby
Interruptible
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Case Study
T&D Substation Expansion $4,000K $400K DR 1 DR Capital Cost $ 880K $ 88K O&M $ 15K $ 15KDR1 Total Cost $ 895K $103K DR2 DR Capital Installation $ 150K $ 15K O&M $ 15K $ 15KDR2 Installation Total Cost $ 165K $ 30K
The installation of the DER is a more economic alternative for the initial deferral of the substation, here again because of having already purchased the DER the saving are even greater.